... ,UL,SGS 2011 hot item, selective printed circuit board 2011 hot item, selective printed circuit board2011 hot item ... hot item, selective printed circuit board Flex-rigid PCB,PCB board,flexible PCB board,PCB manufacturer.FPC up to 8layers ... (±2mil)Parts Fixed Position Tolerance±0.2mmFinishing TreatmentImmersion Gold, Immersion Tin Plating Gold, Plating TinOSP, etc. Soldermask Green,White,Black E ...